From: Likun Gao <Likun.Gao@xxxxxxx>
Support to print PCIE clk levels for sienna_cichlid.
Signed-off-by: Likun Gao <Likun.Gao@xxxxxxx>
Reviewed-by: Kenneth Feng <kenneth.feng@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
.../drm/amd/powerplay/sienna_cichlid_ppt.c | 31 +++++++++++++++++++
.../drm/amd/powerplay/sienna_cichlid_ppt.h | 3 ++
2 files changed, 34 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/powerplay/sienna_cichlid_ppt.c
index 5b4319b0da6c..662a95585c27 100644
--- a/drivers/gpu/drm/amd/powerplay/sienna_cichlid_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/sienna_cichlid_ppt.c
@@ -37,6 +37,7 @@
#include "smu_v11_0_pptable.h"
#include "smu_v11_0_7_ppsmc.h"
+#include "nbio/nbio_2_3_sh_mask.h"
#include "asic_reg/mp/mp_11_0_sh_mask.h"
#define FEATURE_MASK(feature) (1ULL << feature)
@@ -508,10 +509,16 @@ static bool sienna_cichlid_is_support_fine_grained_dpm(struct smu_context *smu,
static int sienna_cichlid_print_clk_levels(struct smu_context *smu,
enum smu_clk_type clk_type, char *buf)
{
+ struct amdgpu_device *adev = smu->adev;
+ struct smu_table_context *table_context = &smu->smu_table;
+ struct smu_dpm_context *smu_dpm = &smu->smu_dpm;
+ struct smu_11_0_dpm_context *dpm_context = smu_dpm->dpm_context;
+ PPTable_t *pptable = (PPTable_t *)table_context->driver_pptable;
int i, size = 0, ret = 0;
uint32_t cur_value = 0, value = 0, count = 0;
uint32_t freq_values[3] = {0};
uint32_t mark_index = 0;
+ uint32_t gen_speed, lane_width;
switch (clk_type) {
case SMU_GFXCLK:
@@ -562,6 +569,30 @@ static int sienna_cichlid_print_clk_levels(struct smu_context *smu,
}
break;
+ case SMU_PCIE:
+ gen_speed = (RREG32_PCIE(smnPCIE_LC_SPEED_CNTL) &
+ PSWUSP0_PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE_MASK)
+ >> PSWUSP0_PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE__SHIFT;
+ lane_width = (RREG32_PCIE(smnPCIE_LC_LINK_WIDTH_CNTL) &
+ PCIE_LC_LINK_WIDTH_CNTL__LC_LINK_WIDTH_RD_MASK)
+ >> PCIE_LC_LINK_WIDTH_CNTL__LC_LINK_WIDTH_RD__SHIFT;
+ for (i = 0; i < NUM_LINK_LEVELS; i++)
+ size += sprintf(buf + size, "%d: %s %s %dMhz %s\n", i,
+ (dpm_context->dpm_tables.pcie_table.pcie_gen[i] == 0) ? "2.5GT/s," :
+ (dpm_context->dpm_tables.pcie_table.pcie_gen[i] == 1) ? "5.0GT/s," :
+ (dpm_context->dpm_tables.pcie_table.pcie_gen[i] == 2) ? "8.0GT/s," :
+ (dpm_context->dpm_tables.pcie_table.pcie_gen[i] == 3) ? "16.0GT/s," : "",
+ (dpm_context->dpm_tables.pcie_table.pcie_lane[i] == 1) ? "x1" :
+ (dpm_context->dpm_tables.pcie_table.pcie_lane[i] == 2) ? "x2" :
+ (dpm_context->dpm_tables.pcie_table.pcie_lane[i] == 3) ? "x4" :
+ (dpm_context->dpm_tables.pcie_table.pcie_lane[i] == 4) ? "x8" :
+ (dpm_context->dpm_tables.pcie_table.pcie_lane[i] == 5) ? "x12" :
+ (dpm_context->dpm_tables.pcie_table.pcie_lane[i] == 6) ? "x16" : "",
+ pptable->LclkFreq[i],
+ (gen_speed == dpm_context->dpm_tables.pcie_table.pcie_gen[i]) &&
+ (lane_width == dpm_context->dpm_tables.pcie_table.pcie_lane[i]) ?
+ "*" : "");
+ break;
default:
break;
}
diff --git a/drivers/gpu/drm/amd/powerplay/sienna_cichlid_ppt.h b/drivers/gpu/drm/amd/powerplay/sienna_cichlid_ppt.h
index ce4e4fe43806..bc04ae326990 100644
--- a/drivers/gpu/drm/amd/powerplay/sienna_cichlid_ppt.h
+++ b/drivers/gpu/drm/amd/powerplay/sienna_cichlid_ppt.h
@@ -25,4 +25,7 @@
extern void sienna_cichlid_set_ppt_funcs(struct smu_context *smu);
+#define smnPCIE_LC_SPEED_CNTL 0x11140290
+#define smnPCIE_LC_LINK_WIDTH_CNTL 0x11140288
+
#endif
--
2.25.4
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